OPERATING ALPHABETS
Bemba.
Each inventory contains real linguistic units. The L26 score is normalized to 26 for comparison; inventory sizes vary.
NATIVE SYLLABLE INVENTORY
Bemba
480 syllables ↗NATIVE SYLLABLE INVENTORY
Kinyarwanda
490 syllables ↗NATIVE SYLLABLE INVENTORY
Luvale
245 syllables ↗Published blind evaluations
Gemini 3.6 Flash19.1/26FAIL
Gemini 4 Argon15.7/26FAIL
Claude Fable 5 ‡8.4/26FAIL
Gemini 3.5 Flash13.4/26FAIL
Claude Fable 5.114.4/26FAIL
Claude Sonnet 5.58.3/26FAIL
Gemini 3 ◊8.9/26FAIL
Claude Opus 5.59.2/26FAIL
Gemini 3.7 Flash8.1/26FAIL
Qwen 3.8-2.4T-A95B6.4/26FAIL
Qwen 3.8 Max7.6/26FAIL
GPT-5.56.2/26FAIL
Gemini 3.8 Flash6.5/26FAIL
DeepSeek V4 Pro 08136.2/26FAIL
Grok 4.68.0/26FAIL
GLM-5.26.1/26FAIL
Claude Opus 4.88.0/26FAIL
Gemini 3.5 Flash-Lite7.7/26FAIL
DeepSeek V47.8/26FAIL
DeepSeek V4 Flash7.6/26FAIL